So there is a data folder; inside that should be a scene.bin, a kernel.bin, kernel2.bin, a battle.lgp, and an flevel.lgp. If those can be replaced with the NT versions, and the app put back together, then it should be patched unless there's some security over file modification. Could you show me a screenshot or two of the contents of the data folder? Specifically the data/battle and data/lang-en? (lang-en may have a slightly different name due to language)

Only if it's possible to get the FF7 files off the phone and onto a PC (they're the same as the PC files, just encrypted) and there was then a way to get them back onto the phone reassembled with the patched files. Unless it's possible to patch them ON the phone with an app?

The first option seems possible since compression was not as complex as the Final Fantasy IV, it's funny how I managed to open the file with WinRAR, I'll see if there is some kind of MD5/CRC check or something.

Already the issue of the application, a modified launcher could be developed, however it would be tricky to have the application upload the modified files along with the originals, I'm not a developer but I help some friends with translations into Portuguese and they tell me about these things.